# 假设有以下模块
def process_question(question):
    # 问题处理逻辑
    pass

def retrieve_information(question):
    # 信息检索逻辑
    pass

def generate_answer(retrieved_info):
    # 答案生成逻辑
    pass

# 系统集成示例
def main(user_question):
    try:
        # 处理问题
        processed_question = process_question(user_question)
        
        # 检索信息
        retrieved_info = retrieve_information(processed_question)
        
        # 生成答案
        answer = generate_answer(retrieved_info)
        
        return answer
    except Exception as e:
        # 错误处理
        print(f"An error occurred: {e}")
        return "An error occurred. Please try again later."


